Finding the Fourth Proportional to 50,408.46, 69,560.39 and 28,897.94

Step by Step Solution

1. Step 1: Write the proportion equation
   50,408.46 : 69,560.39 = 28,897.94 : x
2. Step 2: Convert to fraction form
   50,408.46/69,560.39 = 28,897.94/x
3. Step 3: Cross multiply
   50,408.46x = 69,560.39 × 28,897.94
4. Step 4: Simplify right side
   50,408.46x = 2,010,152,222.74
5. Step 5: Solve for x
   x = 2,010,152,222.74/50,408.46
6. Step 6: Final answer
   x = 39,877.28